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2009 Yamaha WR250X

2009 Yamaha WR250XYamaha WR250X

Technical Specifications

Engine

  • Type - Liquid cooled, 4-stroke, forward-inclined single cylinder, 4-valves, DOHC
  • Displacement - 250 cc
  • Bore x stroke - 77.0 X 53.6 mm
  • Compression ratio - 11.8 : 1
  • Max. Power - 22.6 kW (30.7 PS) @ 10,000 rpm
  • Max. Torque - 23.7 Nm (2.42 kg-m) @ 8,000 rpm
  • Lubrication system - Wet sump
  • Fuel supply system - Electronic fuel injection
  • Clutch type - Wet, multiple-disc coil spring
  • Ignition system - TCI
  • Starter system - Electric
  • Transmission system - Constant mesh, 6-speed
  • Final transmission system - Chain
  • Primary reduction ratio - 78/25 (3.120)
  • Secondary reduction ratio - 42/13 (3.231)
  • Gear ratio-1st gear, 37/14 (2.643)
  • Gear ratio-2nd gear, 29/16 (1.813)
  • Gear ratio-3rd gear, 29/22 (1.318)
  • Gear ratio-4th gear, 26/25 (1.040)
  • Gear ratio-5th gear, 24/27 (0.889)
  • Gear ratio-6th gear, 22/28 (0.786)

Chassis

  • Frame - Semi double cradle
  • Front suspension - Telescopic forks
  • Front wheel travel - 270 mm
  • Rear suspension - Swingarm (link suspension)
  • Rear wheel travel - 265 mm
  • Caster angle - 25º 20"
  • Trail - 76 mm
  • Front brake - Single disc, Ø 250 mm
  • Rear brake - Single disc, Ø 230 mm
  • Front tyre - 110/70R17M/C 54H
  • Rear tyre - 140/70R17M/C 66H

Dimensions

  • Overall length - 2,115 mm
  • Overall width - 810 mm
  • Overall height - 1,190 mm
  • Seat height - 895 mm
  • Wheelbase - 1,425 mm
  • Min. ground clearance - 265 mm
  • Wet weight (including full oil and fuel tank) - 136 kg
  • Fuel capacity - 7.6 litres
  • Oil capacity - 1.5 litres

Specification are subject to change without notice, in accordance with national regulation and legislations